Pebble Time vs. Pebble Time Steel vs. Polar M400 vs. Fitbit Charge 2 vs. Fitbit Alta HR

 
Time
Time Steel
M400
Charge 2
Alta HR
 PebbleTimeRemove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowFitbitCharge 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$150$250$200$150$150
Release20152015201420162017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days10 days8 hours to 30 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144168 x 144n/an/a128 x 36
Size1.26 inches1.26 inchesn/an/a1.4 inches
Touchn/a
Typee-papere-papern/aOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATMn/a

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/an/a
Apps
Music

All Wearables